Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-28 Thread asmo . koskinen
arshpreet singh kirjoitti 2014-08-23 18:14: We have HP t5xxx. We have four servers and 200 thin clients. Currwntly we are trying to implemwnt with Edubuntu 14.04.1. In our setup we will make one root server and 3 application servers. Will it be a good model? Here we go Arshpreet. You can

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-28 Thread Vagrant Cascadian
meant for this to go to the list... On 2014-08-27 14:16:51 -0700, asmo.koski...@arkki.info wrote: I still have to figure out where to put those host keys and how. root@debian-ltsp-pnp:~# ls /etc/ssh moduli sshd_config ssh_host_dsa_key.pub=20=20 ssh_host_ecdsa_key.pub

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-27 Thread asmo . koskinen
Graham Innes kirjoitti 2014-08-25 15:10: The two servers synchronize user information (passwd, group files etc.) as well as home directories and the nbd root images using unison run by a cron script every few minutes, so the maximum amount of data lost is about 5 minutes if a server were to

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-27 Thread Jigish Gohil
On Wed, Aug 27, 2014 at 7:59 PM, asmo.koski...@arkki.info wrote: Does LTSP has any built in feature to handle this kind of system? http://sourceforge.net/p/kiwi-ltsp/code/HEAD/tree/trunk/kiwi-ltsp/ltsp/suse-13.2/root/usr/share/ltsp/get_hosts to use it add MY_SERVER_LIST=list of LDM_SERVERs

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-27 Thread asmo . koskinen
Jigish Gohil kirjoitti 2014-08-27 17:45: On Wed, Aug 27, 2014 at 7:59 PM, asmo.koski...@arkki.info wrote: Does LTSP has any built in feature to handle this kind of system? http://sourceforge.net/p/kiwi-ltsp/code/HEAD/tree/trunk/kiwi-ltsp/ltsp/suse-13.2/root/usr/share/ltsp/get_hosts

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-27 Thread Jigish Gohil
here is a link from our old wiki archive: http://old-en.opensuse.org/LTSP/Cluster/Setup Not really step by step but covers basics of what is involved. Adding ssh keys of all servers specified in /etc/sysconfig/kiwi-ltsp is done automatically on openSUSE, but you can easily run ssh-keyscan ip

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-27 Thread asmo . koskinen
Jigish Gohil kirjoitti 2014-08-27 19:53: Adding ssh keys of all servers specified in /etc/sysconfig/kiwi-ltsp is done automatically on openSUSE, but you can easily run ssh-keyscan ip /your/chroot/path/etc/ssh/ssh_known_hosts for all servers, before building image. I think I got it, but just

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-25 Thread Graham Innes
I wasn't able to make headway with ltsp-cluster, so we have taken a different (simpler?) approach to load balancing / failover with LTSP, which works well for us. We have 2 LTSP servers. We have two floors of fat clients and we like to have one floor boot off server 1 and the other boot off

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-24 Thread arshpreet singh
On Sun, Aug 24, 2014 at 3:30 AM, asmo.koski...@arkki.info wrote: I did have load balancing in our school. Two identical monster server and dhcp failover. snip Here is old howto I did use. https://wiki.edubuntu.org/EdubuntuDHCPload-balancingFailover We tried it some days ago but could not

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-24 Thread Robert Lefebvre
I was running EdUbuntu in a school environment and tried to implement clustering and never was able to get it working. Thehttps:// www.ltsp-cluster.org/ is so old it belongs in the wayback archives. I had come to the conclusion that the Ubuntu community is more concerned with the bells and

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-24 Thread asmo . koskinen
arshpreet singh kirjoitti 2014-08-24 09:25: We will work on both as a parallel team. You are suggesting Debian because of stability issue or something else? Because of supporting ten years old hardware/CPU (linux-image-486). How you define the master and slave server? Like: Master

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-23 Thread arshpreet singh
On 22 Aug 2014 18:51, asmo.koski...@arkki.info wrote: arshpreet singh kirjoitti 2014-08-21 21:34: snip The real problem with LTSP Cluster is that nobody take care about it anymore. :( LTSP-PNP is solid part of vivid LTSP Community. You can trust it in now (LTSP 5) and in future (LTSP 6).

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-23 Thread asmo . koskinen
arshpreet singh kirjoitti 2014-08-23 18:14: So the question is - what kind of thin clients you have? Real ones like HP t5xxx or ordinary PCs? We have HP t5xxx. I'm familiar with HP t5xxx thin clients. I did work with a school and we did have them, about 100 of HP t5125/5135. Ok now.

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-22 Thread asmo . koskinen
arshpreet singh kirjoitti 2014-08-21 21:34: I have seen both the above links. It is not doing anything with related to load-balancing. Or is it? It just told about the boot process of clients. We have four servers and 200 thin-clients. How we will manage each? The real problem with LTSP

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-22 Thread Lars Madsen
From: asmo.koski...@arkki.info [asmo.koski...@arkki.info] Sent: 22 August 2014 15:15 To: ltsp-discuss@lists.sourceforge.net Subject: Re: [Ltsp-discuss] Load Balancing in LTSP-cluster arshpreet singh kirjoitti 2014-08-21 21:34: I have seen both the above links. It is not doing

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-22 Thread asmo . koskinen
Lars Madsen kirjoitti 2014-08-22 16:30: Then were do we find more information about ltsp-pnp? And what exactly is ltsp-pnp? https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp http://ltsp.fi/?page_id=32 (Please, use Google Translate - http://tinyurl.com/pcoakhu) Best Regards Asmo

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-22 Thread asmo . koskinen
asmo.koski...@arkki.info kirjoitti 2014-08-22 16:42: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp It is very easy to test LTSP-PNP in Virtualbox. Both server and fat client side. http://ltsp.fi/howto/Ltsp-pnp-14.04/LTSP-PNP_Virtualbox.png Best Regards Asmo Koskinen.

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-22 Thread asmo . koskinen
asmo.koski...@arkki.info kirjoitti 2014-08-22 17:20: It is very easy to test LTSP-PNP in Virtualbox. Both server and fat client side. http://ltsp.fi/howto/Ltsp-pnp-14.04/LTSP-PNP_Virtualbox.png Here is Fat Client in Virtualbox. http://ltsp.fi/howto/Ltsp-pnp-14.04/Ubuntu_FC.webm Best

[Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-21 Thread Jaskaran Singh Lamba
Good afternoon to all, I am from India and we are planning to implement the LTSP for thin clients in our college labs. We have around 200 thin clients and 5 powerful servers and we will be using Edubuntu for the servers as it has LTSP packages in it. Our requirement is to balance the load amongst

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-21 Thread Kai Wollweber
Hello Jaskaran, have a look at: https://www.ltsp-cluster.org/ We have used the configuration to share three servers für 80 Clients for some years, but we decided to replace them by one more powerful server. Kai Wollweber Am 21.08.2014 um 11:37 schrieb Jaskaran Singh Lamba: Good afternoon

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-21 Thread arshpreet singh
On 8/21/14, Kai Wollweber wo...@ki.tng.de wrote: We have used the configuration to share three servers für 80 Clients for some years, How was performance? but we decided to replace them by one more powerful server. Did you got any serious issues? -- Thanks Arshpreet singh

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-21 Thread Kai Wollweber
Am 21.08.2014 um 13:29 schrieb arshpreet singh: On 8/21/14, Kai Wollweber wo...@ki.tng.de wrote: We have used the configuration to share three servers für 80 Clients for some years, How was performance? The process of load balancing works quite well. We have had one single server dedicated

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-21 Thread arshpreet singh
Am 21.08.2014 um 13:29 schrieb arshpreet singh: On 8/21/14, Kai Wollweber wo...@ki.tng.de wrote: The process of load balancing works quite well. We have had one single server dedicated for dhcp, tftpboot the images and serving home dirs. The login processes were spread over three servers for

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-21 Thread asmo . koskinen
arshpreet singh kirjoitti 2014-08-21 19:36: Amazing! We want similar kind for our system setup at college. Can you please share configration files, tutorials or any material so we can read and do our required setup? https://help.ubuntu.com/community/UbuntuLTSP#LTSP-Cluster This one is of

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-21 Thread arshpreet singh
On 21 Aug 2014 23:31, asmo.koski...@arkki.info wrote: Amazing! We want similar kind for our system setup at college. Can you please share configration files, tutorials or any material so we can read and do our required setup? snip https://help.ubuntu.com/community/UbuntuLTSP#LTSP-Cluster

Re: [Ltsp-discuss] Load Balancing in LTSP-cluster

2014-08-21 Thread arshpreet singh
On 21 Aug 2014 23:41, arshpreet singh arsh...@gmail.com wrote: On 21 Aug 2014 23:31, asmo.koski...@arkki.info wrote: Amazing! We want similar kind for our system setup at college. Can you please share configration files, tutorials or any material so we can read and do our required setup?